mithilesh kumar singh

        *  *  *  *  *  *  *  *  *
            *  *  *  *  *  *  *
                *  *  *  *  *
                   *  *  * 
                       *

class Program

{
static void Main(string[] args)

{
for (int row = 1; row <= 5*2-1; row++)

{

             for (int space = 1; space <= row; space++)

{
Console.Write(" ");


}
for (int coll = 2*5-1; coll >= (row *2) - 1; coll--)

{
Console.Write("*");


}
Console.WriteLine();

}
Console.ReadLine();

}

}